Here are a few polished versions of “Businesses Risk Obsolescence by Retaining Legacy Systems”, depending on how you plan to use it:
As a strong headline
Businesses Risk Obsolescence by Clinging to Legacy Systems
More formal / executive tone
Organizations Face Growing Obsolescence Risks When Retaining Legacy Systems
Thought-leadership / article title
The Hidden Cost of Legacy Systems: How Businesses Risk Obsolescence
Short insight or slide statement
Retaining legacy systems accelerates business obsolescence.
Slightly provocative
Legacy Systems Are Quietly Making Businesses Obsolete
If you’d like, tell me the context (article, presentation slide, LinkedIn post, report title), and I can tailor it exactly to that us